X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fcore%2Ftimer.c;h=f23582c2db32e0f43d4d3b4f5a3d28665e8dcdd1;hp=9166c1e2fc65ac3b450f9587298f1a5eab6e48c1;hb=d003f514dab2dbf1a66e11800a50aeaf039d036c;hpb=44a6b1b68029833893f6e9cee35aa27a974038f6 diff --git a/src/core/timer.c b/src/core/timer.c index 9166c1e2f..f23582c2d 100644 --- a/src/core/timer.c +++ b/src/core/timer.c @@ -26,7 +26,8 @@ #include "timer.h" #include "dbus-timer.h" #include "special.h" -#include "dbus-common.h" +#include "bus-util.h" +#include "bus-error.h" static const UnitActiveState state_translation_table[_TIMER_STATE_MAX] = { [TIMER_DEAD] = UNIT_INACTIVE, @@ -36,6 +37,8 @@ static const UnitActiveState state_translation_table[_TIMER_STATE_MAX] = { [TIMER_FAILED] = UNIT_FAILED }; +static int timer_dispatch(sd_event_source *s, uint64_t usec, void *userdata); + static void timer_init(Unit *u) { Timer *t = TIMER(u); @@ -44,8 +47,7 @@ static void timer_init(Unit *u) { t->next_elapse_monotonic = (usec_t) -1; t->next_elapse_realtime = (usec_t) -1; - watch_init(&t->monotonic_watch); - watch_init(&t->realtime_watch); + t->accuracy_usec = USEC_PER_MINUTE; } void timer_free_values(Timer *t) { @@ -54,7 +56,7 @@ void timer_free_values(Timer *t) { assert(t); while ((v = t->values)) { - LIST_REMOVE(TimerValue, value, t->values, v); + LIST_REMOVE(value, t->values, v); if (v->calendar_spec) calendar_spec_free(v->calendar_spec); @@ -70,8 +72,8 @@ static void timer_done(Unit *u) { timer_free_values(t); - unit_unwatch_timer(u, &t->monotonic_watch); - unit_unwatch_timer(u, &t->realtime_watch); + t->monotonic_event_source = sd_event_source_unref(t->monotonic_event_source); + t->realtime_event_source = sd_event_source_unref(t->realtime_event_source); } static int timer_verify(Timer *t) { @@ -143,6 +145,7 @@ static int timer_load(Unit *u) { } static void timer_dump(Unit *u, FILE *f, const char *prefix) { + char buf[FORMAT_TIMESPAN_MAX]; Timer *t = TIMER(u); Unit *trigger; TimerValue *v; @@ -152,10 +155,12 @@ static void timer_dump(Unit *u, FILE *f, const char *prefix) { fprintf(f, "%sTimer State: %s\n" "%sResult: %s\n" - "%sUnit: %s\n", + "%sUnit: %s\n" + "%sAccuracy: %s\n", prefix, timer_state_to_string(t->state), prefix, timer_result_to_string(t->result), - prefix, trigger ? trigger->id : "n/a"); + prefix, trigger ? trigger->id : "n/a", + prefix, format_timespan(buf, sizeof(buf), t->accuracy_usec, 1)); LIST_FOREACH(value, v, t->values) { @@ -189,8 +194,8 @@ static void timer_set_state(Timer *t, TimerState state) { t->state = state; if (state != TIMER_WAITING) { - unit_unwatch_timer(UNIT(t), &t->monotonic_watch); - unit_unwatch_timer(UNIT(t), &t->realtime_watch); + t->monotonic_event_source = sd_event_source_unref(t->monotonic_event_source); + t->realtime_event_source = sd_event_source_unref(t->realtime_event_source); } if (state != old_state) @@ -230,6 +235,7 @@ static void timer_enter_dead(Timer *t, TimerResult f) { timer_set_state(t, t->result != TIMER_SUCCESS ? TIMER_FAILED : TIMER_DEAD); } + static void timer_enter_waiting(Timer *t, bool initial) { TimerValue *v; usec_t base = 0; @@ -337,11 +343,24 @@ static void timer_enter_waiting(Timer *t, bool initial) { UNIT(t)->id, format_timespan(buf, sizeof(buf), t->next_elapse_monotonic > ts.monotonic ? t->next_elapse_monotonic - ts.monotonic : 0, 0)); - r = unit_watch_timer(UNIT(t), CLOCK_MONOTONIC, false, t->next_elapse_monotonic, &t->monotonic_watch); + if (t->monotonic_event_source) { + r = sd_event_source_set_time(t->monotonic_event_source, t->next_elapse_monotonic); + if (r < 0) + goto fail; + + r = sd_event_source_set_enabled(t->monotonic_event_source, SD_EVENT_ONESHOT); + } else + r = sd_event_add_monotonic(UNIT(t)->manager->event, t->next_elapse_monotonic, t->accuracy_usec, timer_dispatch, t, &t->monotonic_event_source); + if (r < 0) goto fail; - } else - unit_unwatch_timer(UNIT(t), &t->monotonic_watch); + + } else if (t->monotonic_event_source) { + r = sd_event_source_set_enabled(t->monotonic_event_source, SD_EVENT_OFF); + + if (r < 0) + goto fail; + } if (found_realtime) { char buf[FORMAT_TIMESTAMP_MAX]; @@ -350,11 +369,24 @@ static void timer_enter_waiting(Timer *t, bool initial) { UNIT(t)->id, format_timestamp(buf, sizeof(buf), t->next_elapse_realtime)); - r = unit_watch_timer(UNIT(t), CLOCK_REALTIME, false, t->next_elapse_realtime, &t->realtime_watch); + if (t->realtime_event_source) { + r = sd_event_source_set_time(t->realtime_event_source, t->next_elapse_realtime); + if (r < 0) + goto fail; + + r = sd_event_source_set_enabled(t->realtime_event_source, SD_EVENT_ONESHOT); + } else + r = sd_event_add_realtime(UNIT(t)->manager->event, t->next_elapse_realtime, t->accuracy_usec, timer_dispatch, t, &t->realtime_event_source); + if (r < 0) goto fail; - } else - unit_unwatch_timer(UNIT(t), &t->realtime_watch); + + } else if (t->realtime_event_source) { + r = sd_event_source_set_enabled(t->realtime_event_source, SD_EVENT_OFF); + + if (r < 0) + goto fail; + } timer_set_state(t, TIMER_WAITING); return; @@ -367,11 +399,10 @@ fail: } static void timer_enter_running(Timer *t) { - DBusError error; + _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; int r; assert(t); - dbus_error_init(&error); /* Don't start job if we are supposed to go down */ if (unit_stop_pending(UNIT(t))) @@ -390,10 +421,8 @@ static void timer_enter_running(Timer *t) { fail: log_warning_unit(UNIT(t)->id, "%s failed to queue unit startup job: %s", - UNIT(t)->id, bus_error(&error, r)); + UNIT(t)->id, bus_error_message(&error, r)); timer_enter_dead(t, TIMER_FAILURE_RESOURCES); - - dbus_error_free(&error); } static int timer_start(Unit *u) { @@ -476,17 +505,17 @@ _pure_ static const char *timer_sub_state_to_string(Unit *u) { return timer_state_to_string(TIMER(u)->state); } -static void timer_timer_event(Unit *u, uint64_t elapsed, Watch *w) { - Timer *t = TIMER(u); +static int timer_dispatch(sd_event_source *s, uint64_t usec, void *userdata) { + Timer *t = TIMER(userdata); assert(t); - assert(elapsed == 1); if (t->state != TIMER_WAITING) - return; + return 0; - log_debug_unit(u->id, "Timer elapsed on %s", u->id); + log_debug_unit(UNIT(t)->id, "Timer elapsed on %s", UNIT(t)->id); timer_enter_running(t); + return 0; } static void timer_trigger_notify(Unit *u, Unit *other) { @@ -587,6 +616,7 @@ DEFINE_STRING_TABLE_LOOKUP(timer_result, TimerResult); const UnitVTable timer_vtable = { .object_size = sizeof(Timer), + .sections = "Unit\0" "Timer\0" @@ -609,14 +639,12 @@ const UnitVTable timer_vtable = { .active_state = timer_active_state, .sub_state_to_string = timer_sub_state_to_string, - .timer_event = timer_timer_event, - .trigger_notify = timer_trigger_notify, .reset_failed = timer_reset_failed, .time_change = timer_time_change, .bus_interface = "org.freedesktop.systemd1.Timer", - .bus_message_handler = bus_timer_message_handler, - .bus_invalidating_properties = bus_timer_invalidating_properties + .bus_vtable = bus_timer_vtable, + .bus_changing_properties = bus_timer_changing_properties, };